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US 12,723,534 B2Granted
Snowmobile having a parallel-path exhaust system for two-stroke engine
AssigneeArctic Cat Inc.
InventorsCord Miller Christensen, Alexander Konrad Fuhrman
Life of this patent
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Abstract
A snowmobile includes a frame, at least one ski, handbars operatively coupled to the at least one ski, and an engine assembly comprising an engine and an exhaust manifold. The exhaust manifold includes at least a first inlet, a first outlet, and a second outlet. The first inlet is configured to connect to a first exhaust port. The first outlet is connected to provide exhaust received from the first inlet to a first exhaust path and the second outlet is connected to provide exhaust received from the first inlet to a second exhaust path.
Claims19
A snowmobile comprising:
- a frame;
- at least one ski;
- handlebars operatively coupled to the at least one ski;
- an engine assembly comprising an engine;
- an expansion chamber having a first end connected to receive exhaust from the engine and a second end including an external wastegate;
- and
- a turbocharger connected to receive exhaust from the engine, wherein the turbocharger includes a turbocharger exhaust turbine and a compressor, wherein the external wastegate is selectively controlled based on a measured input.
4 more elements
A snowmobile comprising:
- a frame;
- at least one ski;
- handlebars operatively coupled to the at least one ski;
- an engine assembly comprising an engine;
- an expansion chamber having a first end connected to receive exhaust from the engine;
- and
- a turbocharger connected to receive exhaust from the engine, wherein the turbocharger includes a turbocharger exhaust turbine, a compressor, and an internal wastegate, wherein exhaust received from the engine is provided in a first flow path to the turbocharger exhaust turbine and a second flow path parallel to the first flow path to the internal wastegate, wherein the internal wastegate is selectively controlled based on a measured input.
4 more elements
Dependencies are inferred from the claim text.